/* 全体リセットと共通スタイル */
html, body, div, span, applet, object, iframe, h1, h2, h3, h4, h5, h6, p, blockquote, pre, a, abbr, acronym, address, big, cite, code, del, dfn, em, img, ins, kbd, q, s, samp, small, strike, strong, sub, sup, tt, var, b, u, i, center, dl, dt, dd, ol, ul, li, fieldset, form, label, legend, table, caption, tbody, tfoot, thead, tr, th, td, article, aside, canvas, details, embed, figure, figcaption, footer, header, hgroup, menu, nav, output, ruby, section, summary, time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
    display: block;
}

/* ブラウザのデフォルト余白をリセット */
html, body {
    margin: 0;
    padding: 0;
}

body {
    line-height: 1.8;
    font-size: .875rem;
    color: #fff;
    font-family: "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", "メイリオ", Meiryo, sans-serif;
}

/* 新しい背景用要素 */
.fixed-background {
    background-image: url(img/background.jpg);
    background-size: cover;
    background-position: center;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2; /* 以前の.bodyクラスよりも下に配置 */
}

/* 今までの.bodyクラスを復活させ、半透明の背景と余白を再設定 */
.body {
    background: rgba(65, 62, 63, 0.75);
    max-width: 800px;
    margin: auto;
    box-sizing: border-box;
    position: relative;
    padding: 20px 30px 60px;
}

ol, ul {
    list-style: none;
}

blockquote, q {
    quotes: none;
}

blockquote:before, blockquote:after, q:before, q:after {
    content: "";
    content: none;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

img {
    max-width: 100%;
    height: auto;
    align-self: flex-start;
}

b {
    font-weight: 700;
}

/* 見出しのwebフォント */
h1, h2, h3, h4, h5, .menu, .menu2, .type, .box3::before {
    font-family: 'Noto Serif JP', serif;
}

/* リンクスタイル */
a:not(.list_link):not(.tooltip):not(.page) {
    color: rgb(166, 159, 154);
}

a:hover:not(.list_link):not(.tooltip):not(.page) {
    color: rgb(246, 239, 215);
    transition: color 0.5s;
}

/* フッターのリンクスタイル */
a.page {
    color: rgb(63, 64, 59);
}

a.page:hover {
    color: rgb(166, 159, 154);
    transition: color 0.5s;
}

/* 一般的な要素とクラス */
.p {
    word-break: break-word;
}

.h1_sub {
    display: block;
    font-size: 12px;
    color: #fff;
}

hr {
    border: 0 none;
    height: 2px;
    color: rgb(166, 159, 154);
    background-color: rgb(166, 159, 154);
}

.index {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.main {
    display: flex;
}

.main:not(:last-child) {
    margin-bottom: 15px;
}

.container_c {
    display: flex;
    justify-content: center;
    margin-bottom: 20px;
    margin-top: 40px;
    margin-left: auto;
    margin-right: auto;
    width: 70%;
    flex-wrap: nowrap;
}

.chara {
    text-align: center;
    margin: 0 10px;
    max-width: 120px;
}

.chara:hover {
    filter: brightness(120%) drop-shadow(0px 0px 5px rgba(26, 34, 51, 0.1));
    transform: translateY(-5px);
    transform: scale(1.05);
    transition: all 0.3s;
}

.index .body {
    min-width: 70vw;
    width: 100%;
    text-align: center;
    padding: 40px 15px;
}

.menu {
    font-size: 150%;
    margin: 30px auto;
    line-height: 100%;
}

.menu2 {
    font-size: 120%;
    margin: 20px auto;
}

.menu > a, .menu2 > a {
    text-decoration: none;
}

.list {
    display: flex;
    justify-content: center;
    list-style-type: none;
}

.list_link {
    color: #fff;
    text-decoration: none;
    display: inline-block;
    width: 350px;
    margin: 3px 5px;
    padding: 0.8rem 0.5rem;
}

.list_link::before, .list_link::after {
    position: absolute;
    z-index: -1;
    display: block;
    content: '';
}

.list_link, .list_link::before, .list_link::after {
    box-sizing: border-box;
    transition: all .3s;
}

.list_link:hover {
    border-color: rgb(255, 255, 255);
    color: #ffffff;
}

.credit {
    color: rgb(166, 159, 154);
    margin: 20px auto;
}

.system {
    color: #fff;
    margin-bottom: 15px;
    background: rgba(0, 0, 0, .5);
    padding: 5px 10px;
    border-radius: 5px;
    display: block;
}

.system + .system {
    margin-top: -10px;
}

.main {
    display: flex;
    text-align: justify;
}

.main:not(:last-child) {
    margin-bottom: 15px;
}

small {
    font-size: 80%;
}

.success {
    color: #2196f3;
}

.fail {
    color: #f50057;
}

.name1 {
    color: rgb(136, 136, 136);
}

.name2 {
    color: rgb(153, 204, 255);
}

.name3 {
    color: rgb(103, 58, 183);
}

.name4 {
    color: rgb(255, 87, 34);
}

.name5 {
    color: rgb(233, 30, 99);
}

h1 {
    font-size: 200%;
    position: relative;
    padding: 15px 10px;
    margin: 10px auto;
    color: rgb(255, 255, 255);
    text-align: center;
}

h2 {
    color: #fff;
    position: relative;
    padding: 10px 10px;
    background-color: rgba(166, 159, 154, 0.4);
    text-align: left;
}

h3 {
    position: relative;
    padding: 5px 10px;
    margin-top: 50px;
    margin-bottom: 20px;
    border-radius: 10px;
    background: rgba(166, 159, 154, 0.5);
    text-align: left;
}

h4 {
    position: relative;
    padding: 5px 10px;
    margin-top: 30px;
    margin-bottom: 20px;
    border-radius: 10px;
    background: rgba(166, 159, 154, 0.5);
    text-align: left;
}

h2 + h3 + h4 {
    margin-top: -10px;
}

.footer + h3 {
    margin-top: 0px;
}

h3 + .player {
    margin-top: -10px;
}

.player {
    border-left: 6px double rgba(166, 159, 154, 0.5);
    padding: 5px 10px;
    margin-top: 0;
    margin-bottom: 15px;
}

.cutin {
    width: 100%;
    height: 120px;
    object-fit: cover;
    object-position: 0 20%;
    margin-bottom: 15px;
}

.footer {
    position: fixed;
    color: rgb(255, 255, 255);
    bottom: 0;
    left: 0;
    right: 0;
    height: 0px;
    padding-left: 20%;
    padding-right: 20%;
    padding-top: 5px;
    padding-bottom: 25px;
    background: rgb(92, 91, 86);
    display: flex;
    justify-content: space-around;
    z-index: 10;
    font-weight: bold;
}

.box, .system {
    padding: 10px 10px;
    margin: 1.0em auto;
    background: rgba(180, 179, 172, 0.2);
    border-radius: 10px;
}

.box2 {
    padding: 10px 10px;
    margin: 1.0em auto;
    background: rgba(246, 239, 215, 0.3);
    border-radius: 10px;
}

.box3 {
    padding: 10px 10px;
    margin-top: 2.5em;
    margin-bottom: 1.5em;
    background: rgba(214, 140, 184, 0.2);
    border-radius: 10px;
    position: relative;
}

.box3::before {
    color: rgb(255, 255, 255);
    content: "一方その頃";
    font-weight: bold;
    font-size: 160%;
    right: 20px;
    padding: 3px 8px;
    position: absolute;
    top: -20px;
}

.card {
    display: block;
    margin: 0 auto;
    max-width: 80%;
}

.box_t {
    font-size: 110%;
    margin-bottom: 10px;
    text-align: center;
    font-weight: bold;
}

/* 折り畳み表示（開閉式メニュー）のスタイル */
details {
    margin: 1.5em 0;
    border-radius: 10px;
    background: rgba(180, 179, 172, 0.2);
    padding: 10px;
}

details[open] summary {
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    margin-bottom: 10px;
}

summary {
    display: block;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: bold;
    color: rgb(255, 255, 255);
    padding-bottom: 5px;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}

summary::-webkit-details-marker {
    display: none;
}

/* メディアクエリ */
@media screen and (max-width: 767px) {
    .body {
        padding: 10px 10px 60px;
    }

    .logo {
        margin: 15px auto 40px;
        max-width: 70%;
        max-height: auto;
    }

    hr {
        width: 70%;
    }

    .type {
        color: rgb(166, 159, 154);
        font-size: 90%;
        margin: 20px auto;
    }

    .ic {
        margin-right: 10px;
    }

    .ic img {
        max-width: 40px;
    }

    .box, .system, .box2 {
        width: 90%;
    }

    .box img, .box2 img {
        max-width: 30px;
    }

    h2 {
        font-size: 140%;
        margin: 15px auto;
    }

    h3 {
        font-size: 120%;
    }

    h4 {
        font-size: 120%;
    }

    .player {
        font-size: 110%;
    }
}

@media screen and (min-width: 768px) {
    .body {
        padding: 20px 30px 60px;
    }

    .logo {
        margin: 20px auto 30px;
        max-width: 100%;
        max-height: 100%;
    }

    hr {
        width: 50%;
    }

    .type {
        color: rgb(166, 159, 154);
        font-size: 120%;
        margin: 20px auto;
    }

    .ic {
        margin-right: 15px;
    }

    .ic img {
        max-width: 60px;
    }

    .box, .system, .box2 {
        width: 80%;
    }

    .box img, .box2 img {
        max-width: 40px;
    }

    h2 {
        font-size: 200%;
        margin: 15px auto;
    }

    h3 {
        font-size: 160%;
    }

    h4 {
        font-size: 160%;
    }

    .player {
        font-size: 120%;
    }
}